[PATCH v4 07/14] iommufd/viommu: Add iommufd_viommu_get_vdev_id helper

[Baolu Lu]

On 1/4/25 03:43, Nicolin Chen wrote:
> This is a reverse search v.s. iommufd_viommu_find_dev, as drivers may want
> to convert a struct device pointer (physical) to its virtual device ID for
> an event injection to the user space VM.
> 
> Again, this avoids exposing more core structures to the drivers, than the
> iommufd_viommu alone.
> 
> Signed-off-by: Nicolin Chen<nicolinc at nvidia.com>
> ---
>   include/linux/iommufd.h        |  8 ++++++++
>   drivers/iommu/iommufd/driver.c | 20 ++++++++++++++++++++
>   2 files changed, 28 insertions(+)

Reviewed-by: Lu Baolu <baolu.lu at linux.intel.com>